Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Contar o número de funcionários trabalhando no departamento de 'Manufatura Ética' em todos os fabricantes.
 ###Tabelas: 
CREATE TABLE Departments (department_id INT, department_name VARCHAR(50), manufacturer_id INT); INSERT INTO Departments (department_id, department_name, manufacturer_id) VALUES (1, 'Ethical Manufacturing', 1), (2, 'Circular Economy', 2), (3, 'Workforce Development', 3); CREATE TABLE Employees (employee_id INT, employee_name VARCHAR(50), department_id INT); INSERT INTO Employees (employee_id, employee_name, department_id) VALUES (1, 'Employee1', 1), (2, 'Employee2', 1), (3, 'Employee3', 2), (4, 'Employee4', 3); CREATE TABLE Manufacturers (manufacturer_id INT, manufacturer_name VARCHAR(50), region VARCHAR(50)); INSERT INTO Manufacturers (manufacturer_id, manufacturer_name, region) VALUES (1, 'ManufacturerA', 'North America'), (2, 'ManufacturerB', 'Europe'), (3, 'ManufacturerC', 'Asia-Pacific');
SELECT COUNT(e.employee_id) AS num_employees FROM Employees e INNER JOIN Departments d ON e.department_id = d.department_id WHERE d.department_name = 'Ethical Manufacturing';